Yearly Gridded Rainfall (1.0 x 1.0) data Binary File


IMD New High Spatial Resolution (1.0 x 1.0 degree) Long Period (1901-2023) Daily Gridded Rainfall Data Set over India. This data product is a very high spatial resolution daily gridded rainfall data (1.0 x 1.0 degree). The unit of rainfall is in millimeter (mm). Data available for 122 years, 1901 to 2023. Data is arranged in 35x33 grid points. The first data in the record is at 6.5N & 66.5E, the second is at 6.5N & 67.5E, and so on. The last data record corresponds to 38.5N & 100.5E. The yearly data file consists of 365/366 records corresponding to non-leap/ leap years.

For comments and questions on the data or for any other clarificaitons regarding the data set, please contact:

Climate Prediction Group,
Office of Head, Climate Research and Services,
India Meteorological Department
Pune, INDIA. 411 005.
Phone : 091-20-2553 5211 / 2553 5877
Fax : 091-20-2553 5435.
E-Mail :

CITATION (for Rainfall 1 x 1):

The relevant reference research paper is : Rajeevan, M., Jyoti Bhate, A.K.Jaswal, 2008 : Analysis of variability and trends of extreme rainfall events over India using 104 years of gridded daily rainfall data, Geophysical Res. Lttrs, Vol.35, L18707, doi:10.1029/2008GL035143.


Although every care has been taken in preparing and testing the data set, India Meteorological Department cannot guarantee that the data are correct in all circumstances. India Meteorological Department also does not accept any liability whatsoever for any error or omission in the data, or for any loss or damage arising from its use.